<!DOCTYPE html>
<html lang="en">
<head>
  <meta charset="UTF-8">
  <meta name="viewport" content="width=device-width, initial-scale=1.0">
  <title>类继承-2</title>
</head>
<body>
  <script>
    class Phone{
      //构造方法
      constructor(brand,price){
        this.brand = brand;
        this.price = price;
      }

      //父类的成员属性
      call(){
        console.log("我可以打电话");
      }
    }

    class SmartPhone extends Phone {
      //构造方法
      cinstructor(brand,price,color,size){
        super (brand,price); //Phone.call(this,brand,price)
        this.color =color;
        this.size = size;
      }

      photo(){
        console.log("我可以拍照");
      }

      playGame(){
        console.log("哦可以玩游戏")
      }
    }

    const xiaomi = new SmartPhone('小米',799,'黑色','4.7inch')
  </script>
</body>
</html>